* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background-color: #f4f9fd;
  color: #1e293b;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

ul,
li {
  list-style: none;
}

/* ================= 页面背景 (重构为轻量级明亮微光渐变) ================= */
.page-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 15% 15%, rgba(14, 165, 233, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 85% 85%, rgba(16, 185, 129, 0.08) 0%, transparent 45%),
    #f4f9fd;
  z-index: -2;
}

/* 网格透视线 (调整为淡灰色，适配明亮模式) */
.grid-overlay {
  position: absolute;
  width: 200%;
  height: 200%;
  top: -50%;
  left: -50%;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  transform: perspective(1200px) rotateX(60deg);
  animation: move-grid 25s linear infinite;
  pointer-events: none;
}

@keyframes move-grid {
  0% {
    transform: perspective(1200px) rotateX(60deg) translateY(0);
  }

  100% {
    transform: perspective(1200px) rotateX(60deg) translateY(80px);
  }
}

/* ================= 布局容器 ================= */
.container {
  width: 100%;
  max-width: 1024px;
  /* 主要内容区域宽度保持 1024px */
  margin: 0 auto;
  padding: 0 20px;
}

/* ================= 头部区域 ================= */
.header {
  text-align: center;
  padding: 24px 0;
  /* 垂直内边距从 40px 缩小至 24px */
}

.glow-title {
  font-size: clamp(3rem, 8vw, 4.5rem);
  font-weight: 900;
  margin-bottom: 12px;
  /* 下边距从 20px 缩小至 12px */
  letter-spacing: -0.02em;
  color: #0f172a;
  text-shadow: 0 4px 20px rgba(14, 165, 233, 0.15);
  background: linear-gradient(135deg, #0f172a 30%, #1e293b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  user-select: none;
}

.status-badge {
  display: inline-block;
  padding: 8px 24px;
  border-radius: 50px;
  border: 1px solid rgba(14, 165, 233, 0.2);
  background: rgba(14, 165, 233, 0.05);
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 25px rgba(148, 163, 184, 0.1);
}

.status-badge p {
  font-size: clamp(0.95rem, 2.5vw, 1.2rem);
  color: #0284c7;
  font-weight: 600;
  letter-spacing: 1px;
}

/* ================= 卡片玻璃拟态 (重构为轻奢明亮毛玻璃) ================= */
.glass-card {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 20px;
  box-shadow:
    0 20px 50px -12px rgba(148, 163, 184, 0.15),
    inset 0 1px 1px rgba(255, 255, 255, 0.9);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  opacity: 0;
  /* 用于入场动画 */
  transform: translateY(20px);
}

.glass-card:hover {
  border-color: rgba(14, 165, 233, 0.3);
  box-shadow:
    0 30px 60px -10px rgba(148, 163, 184, 0.25),
    inset 0 1px 2px rgba(255, 255, 255, 1);
  transform: translateY(-4px);
}

/* ================= 主体网格布局 ================= */
.main-grid {
  display: flex;
  justify-content: center;
  margin-bottom: 40px;
  /* 垂直方向间距 */
  width: 100%;
}

.buy-card {
  width: 100%;
  padding: 24px 36px;
  /* 上下内边距从 36px 缩小至 24px */
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  /* 下边距从 24px 缩小至 16px */
}

.card-title {
  font-size: 1.5rem;
  font-weight: 900;
  color: #0f172a;
  display: flex;
  align-items: center;
  gap: 12px;
}

.title-indicator {
  width: 8px;
  height: 24px;
  background: linear-gradient(to bottom, #06b6d4, #10b981);
  /* 改为参考图的青绿渐变 */
  border-radius: 4px;
}

.whois-link {
  color: #64748b;
  font-size: 0.75rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color 0.3s;
}

.whois-link:hover {
  color: #0284c7;
}

.whois-link svg {
  width: 14px;
  height: 14px;
  transition: transform 0.3s;
}

.whois-link:hover svg {
  transform: rotate(12deg);
}

/* ================= 价格与交易类型区块 ================= */
.price-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(241, 245, 249, 0.6);
  /* 适配明亮色调的容器 */
  border: 1px solid rgba(226, 232, 240, 0.8);
  border-radius: 12px;
  padding: 12px 32px;
  /* 上下内边距从 16px 缩小至 12px */
  margin-bottom: 16px;
  /* 下边距从 24px 缩小至 16px */
  box-shadow: inset 0 2px 4px rgba(148, 163, 184, 0.05);
  transition: background 0.3s;
  gap: 20px;
  min-height: 92px;
  /* 设定最小高度 */
}

.price-box:hover {
  background: rgba(241, 245, 249, 0.85);
}

/* 价格左侧对齐 */
.price-details {
  text-align: left;
}

.price-label {
  color: #64748b;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 4px;
  /* 缩小了标签下间距 */
}

.price-value-container {
  display: flex;
  align-items: baseline;
  justify-content: flex-start;
  gap: 8px;
}

.price-amount {
  font-size: 2.5rem;
  font-weight: 900;
  color: #0f172a;
  /* 替换为高级暗黑字色 */
  font-family: monospace;
  letter-spacing: -0.05em;
}

.price-currency {
  font-size: 1rem;
  color: #0ea5e9;
  /* 亮眼的海蓝色 */
  font-weight: 900;
}

/* 交易信息右侧对齐 */
.price-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  /* 间距从 12px 缩小至 8px */
  text-align: right;
  align-self: stretch;
  /* 填充父级高度，以便进行垂直居中 */
  justify-content: center;
  /* 保持内部子元素整体垂直居中 */
}

.meta-item {
  display: flex;
  flex-direction: column;
}

.meta-label {
  color: #64748b;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.meta-value {
  font-size: 1rem;
  font-weight: 700;
  color: #334155;
}

.highlight-purple {
  color: #6366f1;
  /* 舒适的深紫罗兰色 */
  text-shadow: 0 0 10px rgba(99, 102, 241, 0.1);
}

.countdown-value {
  color: #0ea5e9;
  /* 亮眼的海蓝色 */
  font-family: monospace;
  font-size: 1.1rem;
  text-shadow: 0 0 10px rgba(14, 165, 233, 0.1);
}

/* ================= 立即购买 按钮 (重构为参考图绚丽渐变) ================= */
.buy-btn {
  width: auto;
  min-width: 560px;
  /* 保持双倍宽度不变 */
  max-width: 100%;
  align-self: center;
  padding: 12px 48px;
  /* 上下内边距从 16px 缩小至 12px */
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 900;
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: linear-gradient(135deg, #0ea5e9 0%, #10b981 100%);
  /* 完美的青绿海蓝渐变色 */
  box-shadow: 0 4px 20px rgba(16, 185, 129, 0.25), inset 0 1px 1px rgba(255, 255, 255, 0.3);
  transition: all 0.3s;
}

.buy-btn:hover {
  box-shadow: 0 10px 30px rgba(16, 185, 129, 0.4), inset 0 1px 1px rgba(255, 255, 255, 0.4);
  filter: brightness(1.05);
}

.buy-btn svg {
  width: 18px;
  height: 18px;
}

/* ================= 服务优势区块标题 ================= */
.section-header {
  text-align: center;
  margin-bottom: 24px;
  /* 垂直方向间距 */
}

.section-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: #0f172a;
  letter-spacing: 1px;
  text-shadow: 0 0 20px rgba(14, 165, 233, 0.1);
  margin-bottom: 8px;
}

.section-line {
  height: 3px;
  width: 60px;
  background: linear-gradient(to right, #0ea5e9, #10b981);
  border-radius: 2px;
  margin: 0 auto;
}

/* ================= 优势模块 (四列布局) ================= */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 48px;
  /* 垂直方向间距 */
}

.adv-card {
  padding: 16px 20px;
  /* 上下内边距从 24px 缩小至 16px */
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.adv-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
  /* 间距从 16px 缩小至 10px */
  box-shadow: inset 0 2px 4px rgba(148, 163, 184, 0.05);
}

.adv-icon-wrapper svg {
  width: 22px;
  height: 22px;
}

/* 基于轻拟态设计的多彩图标区 */
.icon-blue {
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.15);
  color: #2563eb;
}

.icon-cyan {
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.15);
  color: #0891b2;
}

.icon-purple {
  background: rgba(139, 92, 246, 0.08);
  border: 1px solid rgba(139, 92, 246, 0.15);
  color: #7c3aed;
}

.icon-orange {
  background: rgba(249, 115, 22, 0.08);
  border: 1px solid rgba(249, 115, 22, 0.15);
  color: #ea580c;
}

.adv-text {
  font-size: 0.95rem;
  font-weight: 700;
  color: #0f172a;
  letter-spacing: 1px;
  margin-bottom: 4px;
  /* 缩小文字到描述语的间距 */
}

.adv-subtext {
  font-size: 0.75rem;
  color: #475569;
  line-height: 1.5;
}

/* ================= 底部区域 (友情链接) ================= */
.footer {
  text-align: center;
  padding-bottom: 24px;
  /* 底部内边距 */
  max-width: 800px;
  margin: 0 auto;
}

.friend-links {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 8px;
}

.link-item {
  color: #64748b;
  font-size: 0.875rem;
  transition: all 0.3s;
}

.link-item:hover {
  color: #0284c7;
  text-shadow: 0 0 10px rgba(2, 132, 199, 0.2);
}

.link-divider {
  color: #cbd5e1;
  font-size: 0.875rem;
}

/* ================= 响应式调整 ================= */
@media (max-width: 900px) {
  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .buy-card {
    padding: 20px;
  }

  .price-amount {
    font-size: 2rem;
  }
}

@media (max-width: 600px) {
  .price-box {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    padding: 20px;
    background: rgba(241, 245, 249, 0.8);
  }

  .price-details {
    text-align: left;
    width: 100%;
    border-top: none;
    padding-top: 0;
  }

  .price-meta {
    text-align: left;
    width: 100%;
    border-top: 1px solid rgba(226, 232, 240, 0.8);
    padding-top: 16px;
  }

  .price-value-container {
    justify-content: flex-start;
  }
}

@media (max-width: 480px) {
  .advantages-grid {
    grid-template-columns: 1fr;
  }

  .buy-btn {
    width: 100%;
    min-width: auto;
  }
}